Features the use of plug-in color LEDs RGB three-color limiting resistor to avoid exhaustion thanks to the PWM, it is possible to mix three primary colors to obtain different colors with a variety of single-chip interface working voltage: 5V LED driving mode: common cathode driver Schematic Arduino pin 11 -> Pin R module Arduino pin 10 -> Pin G module Arduino pin 9 -> Pin B module Arduino pin GND -> Pin - module You do not need to resistors, these are already included in the module.
